AI Infrastructure

StateFork: Give Agents a Rewind Button
Agents need to branch mid-task across the full environment—not just the database. We’re releasing StateFork and Waypoint, two open-source systems that make general computer-use environments branchable and restorable.
Alex Jiakai XU, Tianle Zhou, Danielle Gillai, Ruizhe Fu, Georgios Liargkovas, Patrick Shen, Kostis Kaffes, Eugene Wu
Jun 4, 2026 8 min read
Project
Waypoint
Lightweight checkpoint/restore system for branchable terminal environments, preserving filesystem, process, memory, and shell-session state for fast rollback-driven AI-agent exploration.
Waypoint StateFork
Waypoint
Agentic Data Environments
Autonomous agents are shifting data systems from read-only analytics toward consequential, state-mutating workflows. This position …
Elaine Ang, Chenxi Huang, Georgios Liargkovas, Jerry Liu, Jinhui Liu, Nikos Pagonas, Charlie Summers, Haonan Wang, Alex Jiakai XU, Tianle Zhou, Yusen Zhang, Zhou Yu, Zhuo Zhang, Tianyi Peng, Kostis Kaffes, Eugene Wu
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Toward Systems Foundations for Agentic Exploration
This paper presents a systems perspective on the challenges of supporting agentic exploration in LLM-powered agents, focusing on fork semantics, external side-effects, and native forking.
Alex Jiakai XU, Tianle Zhou, Eugene Wu, Kostis Kaffes
Cite Project DOI
Toward Systems Foundations for Agentic Exploration